what is the chemical formula for the most common fragment of acetic acid?

Answer:

Potential energy

Explanation:

When an object is moving its called Potential energy.

When an object is not moving it is called kinetic energy.

Answer:

Refer the attachment for answer..

hope it helps you..

Answer:

a

Explanation:

Answer:

One metal causes a chronic effect, compared to the other

Explanation:

because the question only said ONE is the same, didn't they? so that would mean that not all the metals are the same for both towns

Answer:

density is mass more mass more density and same as volume

Answer:

Objectives(s):  

In your own words, what is the purpose of this lab?  

To teach me about chemical compounds  

Hypothesis:  

In this section, please include the if/then statements you developed during your lab activity. These statements reflect your predicted outcomes for the experiment. If you combine two certain compounds, then it will make a new compound.  

Procedure:  

The materials and procedures are listed in your virtual lab. You do not need to repeat them here. However, you should note if you experienced any errors or other factors that might affect your outcome. Using your summary questions at the end of your virtual lab activity, please clearly define the dependent and independent variables of the experiment.  

Data:  

Record the composition of each of your compounds below. Be sure to include the number of atoms for each element. An example has been supplied for you.  

Compound Name  

Chemical Formula  

Sodium (Na)  

Atoms  

Calcium (Ca)  

Atoms  

Hydrogen (H)  

Atoms  

Oxygen (O)  

Atoms  

Carbon (C)  

Atoms  

Chlorine (Cl)  

Atoms  

Ex: Sodium  

hypochlorite  

NaClO  

1  

0  

0  

1  

0  

1  

Carbon Tetrachloride  

CCl4  

0  

0  

0  

0  

1  

1  

Water  

H2O  

0  

0  

1  

1  

0  

0  

Calcium Hydroxide and Hydrogen Gas  

Ca(OH)2 + H2  

0  

1  

1  

1  

0  

0  

Sodium Hydride  

NaH  

1  

0  

1  

0  

0  

0  

Sodium Hydroxide  

NaOH  

1  

0  

1  

1  

0  

0  

Chlorine Dioxide  

ClO2  

0  

0  

0  

1  

0  

1  

Hydrogen Chloride  

HCl  

0  

0  

1  

0  

0  

1  

Table Salt  

NaCl  

1  

0  

0  

0  

0  

1  

Bleach  

NaClO  

1  

0  

0  

1  

0  

1  

Conclusion:  

Your conclusion will include a summary of the lab results and an interpretation of the results. Please answer all questions in complete sentences using your own words.  

Using two to three sentences, summarize what you investigated and observed in this lab. I investigated how chemical compounds work and what to use to put them together.  

Why do you believe knowing how elements and compounds react together is essential in everyday matters? So, you can cook and stop injuries, these two things happen a lot in day-to-day life.  

Some elements are more "reactive" than other elements; why do you think this is? Because certain elements in the compound may react more to fire or water and many other elements.  

Choose one of the compounds from the table and explain how you know the numbers of atoms in your formula. Because if you add all the atoms, put in that’s the total amount. For example, water has one hydrogen atom and one oxygen atom, so water has two atoms.  

Is it possible for two different compounds to be made from the exact same two elements? Why or why not? With a limited number of elements (less than 120 are known), does this mean we also have a small number of compounds, or do we have many compounds in this world? Yes, it is possible like water and hydrogen peroxide. The formula of water is H20 but hydrogen peroxide has one more oxygen-H202.  

Explanation:

Answer:

b

Explanation:

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AMSWER :

CHEMICAL FORMULA :

• WATER - H2O

• CARBONDIOXIDE - CO2

• SODIUM HYDROXIDE - NaOH

• SULPHURIC ACID - H2SO4

• SODIUM CHLORIDE - NaCI

• SODIUM BICARBONATE - NaCHO3

Answer:

yes gold is pure

Explanation:

A noble gas has 8 electrons between the p and s orbitals of the outer shell. Helium is the exception because it only has two electrons.

Answer:

a

Explanation:

i took test

Answer:

I believe it's A.

Explanation:

Answer:

option C

Explanation:

There are 2 types of changes

Answer:

its c  I truly believe that it is c

Explanation:

Answer:

Because each atomic number is unique.

Explanation:

Atomic number = No. of protons in an element

Each atomic number in each element is unique and that makes it easier to distinguish it between several elements.

Answer:

Because atomic numbers are unique to the element

hope this helps <3

The sponge is unsaturated when it is taking in more water. It becomes saturated when it stops taking in water. It is supersaturated when water starts oozing out from the sponge.

A saturated solution contains just as much solute as it normally hold at a particular temperature. An unsaturated solution contains less solute than it can normally hold at a particular temperature. A supersaturated solution contains more solute than it can normally hold at a particular temperature.

We can use a sponge to model these three scenario as follows;

Water continues to enter into the sponge when it is unsaturated, this continues until the sponge becomes saturated with water and takes in no more water. When the sponge becomes supersaturated, water begins to ooze out from the sponge because it can no longer hold more water.

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Many nitrogen and carbon atoms can be found in the structure of a heterocyclic molecule called xanthine, which is present in many biological systems.

The development of a sigma bond between these atoms is an essential component of its binding. A special example is the sigma bond between the nitrogen atom and the neighboring carbon atom. In the context of this sigma bond, the hybridization state of nitrogen can be either [tex]\rm sp^2[/tex]or [tex]\rm sp^3[/tex], and the hybridization state of carbon can be [tex]\rm sp^3[/tex]. A sigma bond is formed when the hybrid orbitals of carbon and nitrogen, which are each [tex]\rm sp^2[/tex] hybridized and [tex]\rm sp^3[/tex] hybridized, overlap. A strong covalent bond can develop when the [tex]\rm sp^2[/tex] hybrid orbitals of nitrogen and carbon line up. This allows electron sharing.

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Answer:

B. He should heat the water to a higher temperature.

Explanation:

Tiny particles that make up water and salt vibrate at higher speeds in hotter temperatures, which mixes the salt and water faster. This causes salt to dissolve much faster.

Four high tides would occur in one day, if the moon orbited Earth twice as fast.

The tide when the water is at its greatest elevation.

At the moment, high tides occur twice a day. So if the moon orbits the earth twice as fast, high tides will occur twice as many, which means four times a day.

High tides occur 12 hours and 25 minutes apart. It takes six hours and 12.5 minutes for the water at the shore to go from high to low, or from low to high.

The best-known effect of the moon is its gravitational pull on Earth's oceans, which results in two high tides and two low tides every day.

But if the moon were half the distance from Earth as it is now, the tides would be eight times higher.

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Answer:

Explanation:

It would be positively charge

Answer:

pyruvic acid changes to alcohol and carbon dioxide.

Explanation:

In lactic acid fermentation, pyruvic acid from glycolysis changes to lactic acid. This type of fermentation is carried out by the bacteria in yogurt, and by your own muscle cells.

I HOPE THIS HELPS!!!!!

Alcohol and carbon dioxide are produced when pyruvic acid is fermented. The chemical process in which molecules break down is called as fermentation.

Fermentation is an anaerobic chemical process that breaks down molecules like glucose. Pyruvic acid undergoes fermentation to produced lactic acid.

More specifically, fermentation is the foaming that happens during the creation of wine and beer, a procedure that has been around for at least 10,000 years.

Pyruvic acid produced during glycolysis transforms into lactic acid during lactic acid fermentation. Alcohol and carbon dioxide are produced when pyruvic acid is fermented.

Thus, the pyruvic acid when change into lactic acid fermentation obtained alcohol and carbon dioxide.

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Answer:

a

Explanation:

proton remains same as the atomic number

electron remains same as the atomic number

Mass no.- atomic no. = Neutrons

Answer:

4.64E14

Explanation:

First convert 645 nm to m = 6.4500E-7m. The equation for finding v with these values is the speed of light/wavelength. so 2.998E8/6.4500E-7m.

so your v or frequency would equal 4.64E14

Fun fact you know this is visible light because the visible light range is within the E14 range.

Answer:

To calculate half life, divide original value by 2.

1.

FOUR HALF LIVES = divide original value by 2, 4 times.

40÷ 2 = 20

20 ÷ 2 = 10

10 ÷ 2 = 5

5 ÷ 2 = 2.5g

2. AFTER TEN DAYS (TWO HALF LIVES)

140 ÷ 2 = 70

70÷ 2 = 35g

AFTER TWENTY DAYS (FOUR HALF LIVES)

140 ÷ 2 = 70

70 ÷ 2 = 35

35 ÷ 2 = 17.5

17.5 ÷ 2 = 8.75g

Answer:

They will form a hydrogen bond with the oxygen atom and the polar hydrogen atom.

Between a water molecule and an ethanol molecule, a hydrogen bond can occur between a lone pair of electrons on the Oxygen and  a Hydrogen in water and the Polar hydrogen of an ethanol molecule.

Hydrogen bonding is an interaction involving a hydrogen atom located between a pair of other atoms having a high affinity for electrons.

It is a bond is weaker than an ionic bond or covalent bond but stronger than van der Waals forces.

In the given question, They will form a hydrogen bond with the oxygen atom and the polar hydrogen atom.

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Answer:

133.333333333 mph

or

214.5791999994464 kph

Explanation:

Answer:133.333333333 mph

or

214.5791999994464 kph

Explanation:

Answer:

CYTOPLASM

Explanation:

MOST REACTION REQUIRE WATER TO OCCUR

SINCE ENZYME WORK BEST WHEN DISSOLVED IN WATER

WATER IS PRESENT IN CYTPLASM HENCE IT IS MAIN SITE OF MEABLIC REACTIONS

Answer:

2 homogenous mixture

Explanation:

Answer:

The larger piston

Explanation:

(i just took the same test)

Answer:

Density is a measure of how heavy something is compared to its size.

If an object is more dense than water it will sink when placed in water, and if it is less dense than water it will float.

Density is a characteristic property of a substance and doesn’t depend on the amount of substance.

Explanation:

If you compared the weight of wood and an equal amount, or volume, of water the sample of wood would weigh less than the sample of water. This means that wood is less dense than water. Since wood is less dense than water, wood floats in water, no matter how big or small the piece of wood is.

A student might want to know why a boat made out of steel can float when steel is more dense than water. This is not an easy question and requires a different approach than what students have seen so far. We do not necessarily recommend the following explanation for 5th graders but here is the idea:

An object floats when it displaces a volume of water that has a mass equal to the mass of the object. So if a material like steel is shaped into a boat and made larger and larger, it will displace more and more water. When it is large enough to displace a volume of water that has a mass equal to the mass of the boat, the boat will float.